<!DOCTYPE HTML>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style>
h2{width: 100px;height: 100;background: red;}
h2:hover{transition:transform 2s esea-in;transform:translate(100px);}
</style>

<title>运动</title>
</head>
<h2>test</h2>
</html>